Image analysis – Applications
Patent
1995-09-27
1997-11-04
Johns, Andrew
Image analysis
Applications
382162, 235469, G06K 900
Patent
active
056848854
ABSTRACT:
Binary digital data is rendered on a surface, such as a sheet of paper, by printing a series of color patches on the sheet, with the 1 bits rendered as color patches of a first color and the 0 bits rendered as color patches of the second color. The color patches are arranged in a predetermined order along an axis on the surface. The second color relates to the first color by a fixed relationship in color space, whereby the absolute values of the first and second colors are immaterial to a detecting apparatus. The color patches can be intermixed with areas of a third color, the third color representing an average in color space of the first color and the second color.
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Network and Internetwork Security Principles and Practice by William Stallings, Ph.D (1995) pp. 27-28; 452; 456. IEEE Press.
Cass Todd A.
Marimont David H.
Hutter Robert
Johns Andrew
Xerox Corporation
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